[1]王琮,刘振纹.存在背景流的内波场中隔水管涡激振动研究[J].哈尔滨工程大学学报,2018,39(09):1465-1471.[doi:10.11990/jheu.201704055]
 WANG Cong,LIU Zhenwen.Research on the vortex-induced vibrations of a drilling riser in internal-wave fields with a background flow[J].hebgcdxxb,2018,39(09):1465-1471.[doi:10.11990/jheu.201704055]
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存在背景流的内波场中隔水管涡激振动研究(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
39
期数:
2018年09期
页码:
1465-1471
栏目:
出版日期:
2018-09-05

文章信息/Info

Title:
Research on the vortex-induced vibrations of a drilling riser in internal-wave fields with a background flow
作者:
王琮 刘振纹
中国石油集团工程技术研究有限公司, 天津 300451
Author(s):
WANG Cong LIU Zhenwen
CNPC Engineering Technology Research Co., Ltd., Tianjin 300451, China
关键词:
涡激振动内波隔水管背景流尾流振子多模态约化速度频率锁定
分类号:
P751
DOI:
10.11990/jheu.201704055
文献标志码:
A
摘要:
针对内波致水平剪切流使得隔水管发生多模态和高模态的响应问题,本文采用内波控制方程与刚盖边界条件,结合半经验的尾流振子模型以及隔水管的非线性振动方程,建立了隔水管在内波致剪切流流场中的涡激振动模型,给出了隔水管在内波致水平剪切流与背景流叠加作用下的涡激振动响应和功率谱密度分布情况。结果表明:内波致剪切流与背景流叠加后,引起锁振区间的变化,并激发了隔水管多模态涡激共振,隔水管会产生复合模态振动,疲劳影响更加复杂;高阶模态内波能量较小,对隔水管涡激振动影响较小,低模态内波对隔水管涡激振动影响更为显著。

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备注/Memo

备注/Memo:
收稿日期:2017-4-19。
作者简介:王琮(1978-),男,高级工程师.
通讯作者:王琮,E-mail:wangcong1021@mail.cnpc.com.cn
更新日期/Last Update: 2018-09-12